Debt - Schedule of long-term debt (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Debt Instrument [Line Items]
Long-term debt	$ 6,584,872	$ 7,738,285
Other long-term debt	15,968	12,708
Deferred debt issuance costs	(61,156)	(71,256)
Less: Long-term debt payable within one year	2,819	86,029
Long-term debt, net	6,582,053	7,652,256	[1]
Medium-term Notes | Fixed rate medium-term notes, 3.30% to 6.25%, due 2023 - 2045
Debt Instrument [Line Items]
Long-term debt	$ 2,125,000	2,125,000
Medium-term Notes | Fixed rate medium-term notes, 3.30% to 6.25%, due 2023 - 2045 | Minimum
Debt Instrument [Line Items]
Interest rate	3.30%
Medium-term Notes | Fixed rate medium-term notes, 3.30% to 6.25%, due 2023 - 2045 | Maximum
Debt Instrument [Line Items]
Interest rate	6.25%
Senior Notes | Senior Notes, 2.70% to 4.10%, due 2024 - 2049
Debt Instrument [Line Items]
Long-term debt	$ 3,675,000	3,675,000
Senior Notes | Senior Notes, 2.70% to 4.10%, due 2024 - 2049 | Minimum
Debt Instrument [Line Items]
Interest rate	2.70%
Senior Notes | Senior Notes, 2.70% to 4.10%, due 2024 - 2049 | Maximum
Debt Instrument [Line Items]
Interest rate	4.10%
Senior Notes | Euro Senior Notes, 1.125%, due 2025
Debt Instrument [Line Items]
Interest rate	1.125%
Long-term debt	$ 830,060	786,520
Term Loan | Term loans, Libor plus 112.5 bps, due 2023 - 2024
Debt Instrument [Line Items]
Long-term debt	$ 0	$ 1,210,313
Term Loan | Term loans, Libor plus 112.5 bps, due 2023 - 2024 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.125%

[1] *Year ended June 30, 2020 amounts have been adjusted to reflect the change in inventory accounting method, as described in Notes 1 and 7 to the Consolidated Financial Statements.